“The Vertical Coordination in the Pig Production Chain in Lara State for the Year 2017”. Teorías, Enfoques y Aplicaciones en las Ciencias Sociales 14, no. 29 (December 31, 2021): 11–22. Accessed July 24, 2026. https://revistas2.uclave.org/index.php/teacs/article/view/3655.